Each of them has come in handy in the son is not the same, and is a true sexual. Two, the leak leakage after the media from leaking to the outside of the valve in the valve. But how they use so much of its valve, how office, which they have some indicators? Medium flow media flow through the valve after initiation pressure loss ( Both before and after the valve pressure difference) , that is, the valve has a certain resistance to the flow of the medium, the medium to overcome the resistance of the valve can take a certain number of can + 羭 strand. For throttle valve, reduce the pressure valve, regulating valve and so on media used to adjust the parameter of valve and safety valve, steam trap have specially designated function of the valve, its functional acuity and reliable technical performance indicators of sexual matters and often shut. For cut-off valve type, the internal leakage is not allowed. Action alert degree and good it is to point to the valve for the media changes depending on a parameter, make corresponding response to acute. is bear the internal pressure of mechanical products, so it is important to have sufficient strength and stiffness, in order to ensure long period using without hair deliser cracks or production change shape. Use fixed number of year of the survival of its expression of the valve is not easy to use bad degree, is the valve shut performance indicators, and has great economic significance. Strength the strength of the performance of the valve performance refers to the experienced undertake medium pressure valve. Think about problems from the save energy material, default and production of the valve, to do is likely to reduce the flow resistance of medium valve. Ordinary the valve opening and closing speed without strict requirement, but a bit operating mode of opening and closing speed have special requirements, such as some requirements rapidly-changing switched on or off, in case of an accident, some asked not to close quickly, made no boiled water hammer and so on, in case this when choosing type valve categories should be thinking about problems. Close the valve, the demand for open-close part and send a form must be tightly closed between the two tightly closed surface pressure, but also overcome between stem and packing, between the stem and the nut turnbuckle, valve rod end bearing friction and other parts of the friction, so be sure to offer certain closing force and close moment, in the process of opening and closing of valve, the demand of opening and closing force and the change of open-close torque is the instantaneous or open its maximum value is at the end of the closing of instantaneous at first. General demands to guarantee tightly closed the opening and closing to express, using time can also be used to express. Q: adjustable lower pressure valve analytical answer: a variety of technical indicators of the valve category is various, ordinary things conditions are based on all kinds of valve used is not the same and different categories, for example, a multifunction hydrodynamic stem valve, adjustable pressure valve, normally open solenoid Industrial Valves, almost all of mud valve, rubber diaphragm valve, soft tightly closed gate valve and so on. opening and closing speed of opening and closing speed is to use the time needed to complete the open or close a action to express. Background leakage causes material loss, pollution, serious when still can cause accidents. Tightly closed the valve tightly closed performance refers to the valve tightly closed position block has experience of media leaks, it is the valve shut the technical performance indicators. Presupposition and make the Industrial Valves should be to seek to reduce the closing force and close moment. There in front of a leak within the leak is called, which is generally called closed lax, it will affect the valve to cut off the media experience. Things on the real situation of the special nature of both for that kind of valve, covers the adjustable pressure valve, normally open solenoid valve, quick mud Industrial Valves are all the same use. The valve tightly closed part three: open-close part and seat the contact point between the two tightly closed surface; Packing match and with the stem and packing gland; Body and bonnet signatures. For flammable and explosive, toxic or radioactive medium, the leakage is not allowed, so the valve must have a reliable sealing performance closely. 。 , of course, this is not the same, because the use is not the same for each valve, Marine valve way to use also is different, the survival of their fixed number of year is different, such as multi-functional hydrodynamic stem valve, adjustable pressure valve, normally open solenoid valve they use fixed number of year of survival is not the same. Opening and closing force and open-close torque of lifting force and the open-close torque refers to open or close the valve must be given by the utility of energy or torque. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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